qemu-e2k/target-alpha/exec.h

61 lines
2.0 KiB
C

/*
* Alpha emulation cpu run-time definitions for qemu.
*
* Copyright (c) 2007 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (__ALPHA_EXEC_H__)
#define __ALPHA_EXEC_H__
#include "config.h"
#include "dyngen-exec.h"
#define TARGET_LONG_BITS 64
register struct CPUAlphaState *env asm(AREG0);
#define FP_STATUS (env->fp_status)
#include "cpu.h"
#include "exec-all.h"
#if !defined(CONFIG_USER_ONLY)
#include "softmmu_exec.h"
#endif /* !defined(CONFIG_USER_ONLY) */
static inline int cpu_has_work(CPUState *env)
{
/* Here we are checking to see if the CPU should wake up from HALT.
We will have gotten into this state only for WTINT from PALmode. */
/* ??? I'm not sure how the IPL state works with WTINT to keep a CPU
asleep even if (some) interrupts have been asserted. For now,
assume that if a CPU really wants to stay asleep, it will mask
interrupts at the chipset level, which will prevent these bits
from being set in the first place. */
return env->interrupt_request & (CPU_INTERRUPT_HARD
| CPU_INTERRUPT_TIMER
| CPU_INTERRUPT_SMP
| CPU_INTERRUPT_MCHK);
}
static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
{
env->pc = tb->pc;
}
#endif /* !defined (__ALPHA_EXEC_H__) */